Home / 2,815.55-3,883.35-2,496.90

Finding the Fourth Proportional to 2,815.55, 3,883.35 and 2,496.90

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Solution

The fourth proportional to 2,815.55, 3,883.35 and 2,496.90 is: 3,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.55 : 3,883.35 = 2,496.90 : x
  2. Step 2: Convert to fraction form
    2,815.55/3,883.35 = 2,496.90/x
  3. Step 3: Cross multiply
    2,815.55x = 3,883.35 × 2,496.90
  4. Step 4: Simplify right side
    2,815.55x = 9,696,317.20
  5. Step 5: Solve for x
    x = 9,696,317.20/2,815.55
  6. Step 6: Final answer
    x = 3,443.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.